S1·E55 Penny's Revenge! Assassins on the Loose

Zatch and Kiyo decide to have a fun day at the park which turns out to be a painful start for him when riding Zatch's train, Zatch and Kiyo then play "Kick The Can" with Ponygon and Suzie, which turns out to be a game with Iwajima, Kane and the teachers wife, Suzie, and Ponygon.